Home / 11,061.90-16,556.40-8,583.30

Finding the Fourth Proportional to 11,061.90, 16,556.40 and 8,583.30

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Solution

The fourth proportional to 11,061.90, 16,556.40 and 8,583.30 is: 12,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.90 : 16,556.40 = 8,583.30 : x
  2. Step 2: Convert to fraction form
    11,061.90/16,556.40 = 8,583.30/x
  3. Step 3: Cross multiply
    11,061.90x = 16,556.40 × 8,583.30
  4. Step 4: Simplify right side
    11,061.90x = 142,108,548.12
  5. Step 5: Solve for x
    x = 142,108,548.12/11,061.90
  6. Step 6: Final answer
    x = 12,846.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.